MSpa Portable Inflatable Hot Tub Camaro B-130 4 Person Round Bubble Spa Gen 1+ (Old Stock) Outer diameter: 71 inches x 28 inches High Water Capacity: 184 gal Number of air jet: 118 Heats up to 104 degrees max. Usually heats up to 100 degrees. Power Pack: 110-120V 60HZ for US